Home / 136,628.58-188,547.60-75,373.38

Finding the Fourth Proportional to 136,628.58, 188,547.60 and 75,373.38

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Solution

The fourth proportional to 136,628.58, 188,547.60 and 75,373.38 is: 104,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,628.58 : 188,547.60 = 75,373.38 : x
  2. Step 2: Convert to fraction form
    136,628.58/188,547.60 = 75,373.38/x
  3. Step 3: Cross multiply
    136,628.58x = 188,547.60 × 75,373.38
  4. Step 4: Simplify right side
    136,628.58x = 14,211,469,902.89
  5. Step 5: Solve for x
    x = 14,211,469,902.89/136,628.58
  6. Step 6: Final answer
    x = 104,015.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.